LELH11-36815-1-V Circuit Protection

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Circuit breakers are essential components of an electrical system since they protect it from circuit overloads. The LELH11-36815-1-V is a particularly versatile circuit breaker that can be used in residential, commercial, and industrial applications. This article explains the range of applications and the working principle of the circuit breaker.

Application Field
The LELH11-36815-1-V is ideal for commercial and industrial applications such as three-phase circuits, distribution panels, and motor starter circuits. It can also be used in residential applications, such as the installation of air conditioners and other large appliances, and the wiring of houses. The circuit breaker is suitable for circuit loads up to 240 volts, and its overcurrent protection features are adjustable between 2 and 15 amps.

Working Principle
The LELH11-36815-1-V operates according to the thermal-magnetic principle, which combines two mechanisms to open the circuit in the event of an overload. The first mechanism is the thermal element, which is activated when the current exceeds the rated value for a certain period of time. The thermal element increases its resistance with increasing temperature, causing an imbalance in the voltage and current of the electrical circuit, which in turn causes the breaker to trip.

The second mechanism is the magnetic element, which uses the strength of the magnetic field to open the circuit. The magnetic element is activated when the current exceeds the rated value for a short period of time. The excess current creates a strong magnetic field that pulls the breaker’s armature, opening the circuit. The LELH11-36815-1-V features differential current protection, which helps reduce unnecessary tripping of the breaker by eliminating very small current fluctuations.

The LELH11-36815-1-V is a versatile and reliable circuit breaker that can be used in a variety of applications. Its thermal-magnetic protection allows for fast and accurate response times when an overload occurs, providing optimal protection for your electrical system.

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